Semi-leaky optical isolator

  • MIZUMOTO Tetsuya
    Graduate School of Science and Engineering, Tokyo Institute of Technology
  • YOKOI Hideki
    Graduate School of Science and Engineering, Tokyo Institute of Technology
  • SHIMIZU Masafumi
    Graduate School of Science and Engineering, Tokyo Institute of Technology
  • NARIKAWA Satoshi
    Graduate School of Science and Engineering, Tokyo Institute of Technology

Bibliographic Information

Other Title
  • 半漏れ構造光アイソレータ
  • ハンモレ コウゾウ ヒカリ アイソレータ

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Description

Combining a nonreciprocal mode conversion produced by magneto-optic effect and a reciprocal mode conversion due to LiNbO_3 gives a unidirectional mode converter. This enables to construct a semi-leaky optical isolator. In this report, LiNbO_3 cladding layer is directly bonded onto a magneto-optic Ce:YIG guiding layer. In the fabricated device, a semi-leaky guiding characteristic is successfully demonstrated, and an isolation ratio of 7.2dB/cm is observed at 1.55μm.

Journal

  • ITE Technical Report

    ITE Technical Report 25.41 (0), 13-18, 2001

    The Institute of Image Information and Television Engineers

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